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8/10/2019 36.12. Solution Methods Task Page.pdf
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User's Guide
Contains proprietary and confidential information of ANSYS, Inc.and its subsidiaries and affiliates
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36.12. Solution Methods Task Page
"#e Solution Methods tas$ page allo%s you to specify &arious parametersassociated %it# t#e solution met#od to be used in t#e calculation.
8/10/2019 36.12. Solution Methods Task Page.pdf
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User's Guide
Contains proprietary and confidential information of ANSYS, Inc.and its subsidiaries and affiliates
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Controls
Formulationpro&ides a drop(do%n list of t#e a&ailable types of sol&er formulationsImplicit and E plicit ."#is item appears only %#en t#e density(based sol&er is used.
8/10/2019 36.12. Solution Methods Task Page.pdf
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8/10/2019 36.12. Solution Methods Task Page.pdf
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8/10/2019 36.12. Solution Methods Task Page.pdf
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User's Guide
Contains proprietary and confidential information of ANSYS, Inc.and its subsidiaries and affiliates
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If one of t#e density(based sol&ers is used, Momentum andEnerg! %ill not appear. or t#e density(based sol&ers, t#ediscreti6ation sc#eme for t#ese e7uations is selected in t#e Flo( drop(do%n list -described abo&e .
*olume Fractionis a&ailable %#en t#e /3 multip#ase model is enabled. "#ediscreti6ation sc#emes t#at are used %#en sol&ing &olume fractione7uations for t#e /3 e*plicit sc#eme are /eo#"econstruct ,Compressi7e , CICS%M , Modi)ied 8"IC , and 5&IC . "#ediscreti6ation sc#emes t#at are used %#en sol&ing &olume fractione7uations for t#e /3 implicit sc#eme are First +rder &p(ind ,Second +rder &p(ind , Compressi7e , Modi)ied 8"IC , 0/M -steady state only , and 5&IC . See Interpolation Near t#eInterface in t#e "#eory Guide for detailed information about t#ese
/3 (specific interpolation sc#emes.
Transient Formulationcontains options for setting different time(dependent solution formulations."#is option appears only %#en Transient is enabled under Time in t#e/eneral tas$ page. A&ailable options include E plicit -a&ailable only fort#e $ensit! 0ased E plicit sol&er : First +rder Implicit : Second
+rder Implicit : and 0ounded Second +rder Implicit . See Performing"ime(+ependent Calculations for details.
,on#iterati7e Time %d7ancementenables non(iterati&e time(ad&ancement -NI"A sc#eme. See "ime(
Ad&ancement Algorit#m in t#e "#eory Guide for details.Fro en Flu Formulation
enables an option to discreti6e t#e con&ecti&e part of 27uation 48< int#e "#eory Guide using t#e mass flu* at t#e cell faces from t#e pre&ioustime le&el n. "#is option is a&ailable only for a Transient solution. See"#e ro6en lu* ormulation in t#e "#eory Guide for details.
Pseudo Transientenables an option to apply t#e pseudo transient under(rela*ation met#od,%#ic# is a form of implicit under(rela*ation -see Pseudo "ransient Under(=ela*ation . "#is option is a&ailable for t#e pressure(based sol&er %#en
8/10/2019 36.12. Solution Methods Task Page.pdf
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User's Guide
Contains proprietary and confidential information of ANSYS, Inc.and its subsidiaries and affiliates
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